Ausangate  Alpacor Mid-Calf Argyle Socks for Women 75% Alpacor/ 25% Nylon Imported Soft Welted Cuff Knit with Alpacor yarn patented technology for softness and durability. Welt cuff keeps socks in place. Timeless and classic socks design meets Alpacor yarn knitting technology. Flat toe seam. Machine wash and dry alpaca fiber socks.